51831340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5479}}^1$

素因数の和:5542

約数の個数: 48

約数和(自身を含む): 121524480

約数和(自身を除く): 69693140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 5479, 9460, 10958, 21916, 27395, 54790, 60269, 109580, 120538, 235597, 241076, 301345, 471194, 602690, 942388, 1177985, 1205380, 2355970, 2591567, 4711940, 5183134, 10366268, 12957835, 25915670, 51831340]

約数ペア:

[(1, 51831340), (2, 25915670), (4, 12957835), (5, 10366268), (10, 5183134), (11, 4711940), (20, 2591567), (22, 2355970), (43, 1205380), (44, 1177985), (55, 942388), (86, 602690), (110, 471194), (172, 301345), (215, 241076), (220, 235597), (430, 120538), (473, 109580), (860, 60269), (946, 54790), (1892, 27395), (2365, 21916), (4730, 10958), (5479, 9460)]